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Table 1 Results of the treadmill CMR test in 19 healthy subjects. The heart rate at peak exercise and start of imaging is expressed as %MPHR. The times from end of exercise to start of imaging, from end of exercise to end of function imaging, and from end of exercise to peak myocardial enhancement are shown.

From: Cardiac function and myocardial perfusion immediately following maximal treadmill exercise inside the MRI room

Subject Age Bruce Stage Max HR (%MPHR) Start Img HR (%MPHR) StressCO/Rest CO MPRI Tstart (sec) Tend_fcn (sec) Tpeak_enhanc (sec)
1 20 5 92 73 3.5 2.1 25 40 47
2 35 6 92 69 3.5 1.8 27 43 59
3 35 4 102 98 2.5 1.8 25 39 48
4 25 5 102 95 3.1 2.1 24 38 50
5 25 5 87 65 3.8 1.4 37 51 63
6 25 5 85 63 3.5 2.0 33 47 56
7 20 5 93 85 3.3 N/A 27 42 N/A
8 35 5 96 82 3.2 1.8 29 44 58
9 31 5 96 77 3.5 1.4 27 42 57
10 55 5 99 83 2.3 1.7 36 52 60
11 46 4 101 83 3.6 3.5 32 48 61
12 58 4 102 81 3.1 2.0 31 46 56
13 44 5 98 82 3.1 N/A 32 48 N/A
14 50 5 100 N/A N/A 1.4 32 N/A N/A
15 44 3 101 87 2.1 1.5 30 43 57
16 46 5 109 99 3.1 1.8 29 44 59
17 48 4 99 92 2.0 2.1 32 45 61
18 64 3 113 101 2.5 1.3 34 49 65
19 44 5 100 30 3.8 2.2 28 43 59
Mean 13 5 98 84 3.1 1.9 30 45 57
SD 13 1 7 11 0.6 0.5 4 4 5
  1. HR: heart rate, MPHR: maximum predicted heart rate based on age, CO: cardiac output, MPRI: myocardial perfusion reserve index